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find the range in which a resistor having the following color bands must exist to satisfy the manufacturers
a 230-v 50 hz two-pole synchronous motor draws 40 a from the line at unity power factor and full load assuming that the
two identical 25-mva 1200-v 08-pf-lagging 60 hz three-phase synchronous generators are connected in parallel to supply
a 22-omega resistor is to be made of nichrome wireif the available wire is 132 in in diameter how much wire is
if this machine is operating at rated conditions what input torque must be applied to the shaft of this generator
a what is the area in circular mils of a copper wire that has a resistance of 25 omega and is 300 ft long t 20degcb
in figure three conductors of different materials are presenteda without working out the numerical solution determine
a 500 kva 600 v 08-pf-leading y-connected synchronous motor has a synchronous reactance of 10 per unit and an armature
a what is the resistance of a copper bus-bar with the dimensions shown t 20degc in figureb repeat a for aluminum and
figure p5-3 shows a small industrial plant supplied by an external 480 v three-phase power supply the plant includes
determine the increase in resistance of a copper conductor if the area is reduced by a factor of 4 and the length is
what is the new resistance level of a copper wire if the length is changed from 200 ft to 100 yd the area is changed
a 460-v 200-kva 085-pf-leading 400-hz four-pole y-connected synchronous motor has negligible armature resistance and a
a for the system of figure the resistance of each line cannot exceed 0006 omega and the maximum current drawn by the
a 100-hp 440-v 08-pf-leading d-connected synchronous motor has an armature resistance of 03 w and a synchronous
a 220-v three-phase six-pole 50-hz induction motor is running at a slip of 35 percent finda the speed of the magnetic
answer the questions in problem 6-1 for a 480-v three-phase two-pole 60-hz induction motor running at a slip of
using metric units determine the length of a copper wire that has a resistance of 02 omega and a diameter of 110
a three-phase 60-hz induction motor runs at 715 rmin at no load and at 670 rmin at full loada how many poles does this
a 50-kw 460-v 50-hz two-pole induction motor has a slip of 5 percent when operating a full-load conditions at full-load
determine the width of a carbon resistor having a sheet resistance of 150 if the length is 12 inand the resistance is
derive the conversion factor between r cmsdotomegaft and r omegasdotcm bya solving for rho for the wire of figure in
the input power to the rotor circuit of a six-pole 60 hz induction motor running at 1100 rmin is 5 kw what is the rotor
a 440-v 60 hz three-phase y-connected synchronous motor has a synchronous reactance of 15 w per phase the field current
a 480-v 100-kw 08-pf leading 50-hz four-pole y-connected synchronous motor has a synchronous reactance of 18 w and a